Home / 916,607.80-1,374,911.70-904,166.20

Finding the Fourth Proportional to 916,607.80, 1,374,911.70 and 904,166.20

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Solution

The fourth proportional to 916,607.80, 1,374,911.70 and 904,166.20 is: 1,356,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,607.80 : 1,374,911.70 = 904,166.20 : x
  2. Step 2: Convert to fraction form
    916,607.80/1,374,911.70 = 904,166.20/x
  3. Step 3: Cross multiply
    916,607.80x = 1,374,911.70 × 904,166.20
  4. Step 4: Simplify right side
    916,607.80x = 1,243,148,687,124.54
  5. Step 5: Solve for x
    x = 1,243,148,687,124.54/916,607.80
  6. Step 6: Final answer
    x = 1,356,249.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.